package exception;

import java.io.FileNotFoundException;

public class Student {
    private int age;

    int getAge(){
        return age;
    }
    void setAge(int age) throws  IllegalAgeException {
        if(age<0 || age>100){
            /*
            当使用throw抛出一个RuntimeException时，必须在当前方法上用throws声明该异常的抛出
             */
            throw new IllegalAgeException("年龄不合法");//抛出了一个异常
        }
        this.age=age;
    }
}
